Atom x7-E3950 vs Xeon E5345
Atom x7-E3950
Xeon E5345
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom x7-E3950 is positioned at rank 480 and the Xeon E5345 is on rank 887, so the Atom x7-E3950 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom x7-E3950
Performance Per Dollar Xeon E5345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x7-E3950 | Xeon E5345 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Apollo Lake (2014−2016) / 14 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Atom x7-E3950 | Xeon E5345 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Atom x7-E3950 and Xeon E5345
Atom x7-E3950
The Atom x7-E3950 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 12 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,864 points. Launch price was $57.
Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.
Processing Power
Both the Atom x7-E3950 and Xeon E5345 share an identical 4-core/4-thread configuration. Boost clocks reach 2 GHz on the Atom x7-E3950 versus 0.33 GHz on the Xeon E5345 — a 143.3% clock advantage for the Atom x7-E3950 (base: 1.6 GHz vs 2.33 GHz). The Atom x7-E3950 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Xeon E5345 uses Clovertown (2006−2007) (65 nm). In PassMark, the Atom x7-E3950 scores 1,864 against the Xeon E5345's 1,868 — a 0.2% lead for the Xeon E5345. L3 cache: 0 kB on the Atom x7-E3950 vs 8 MB L2 Cache on the Xeon E5345.
| Feature | Atom x7-E3950 | Xeon E5345 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2 GHz+506% | 0.33 GHz |
| Base Clock | 1.6 GHz | 2.33 GHz+46% |
| L3 Cache | 0 kB | 8 MB L2 Cache |
| L2 Cache | 2 MB (total) | 4 MB (total)+100% |
| Process | 14 nm-78% | 65 nm |
| Architecture | Apollo Lake (2014−2016) | Clovertown (2006−2007) |
| PassMark | 1,864 | 1,868 |
| Geekbench 6 Single | 245 | — |
Memory & Platform
The Atom x7-E3950 uses the FCBGA1296 socket (PCIe 3.0), while the Xeon E5345 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom x7-E3950 | Xeon E5345 |
|---|---|---|
| Socket | FCBGA1296 | LGA771 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | LPDDR4-2400 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 6 | — |
Advanced Features
Virtualization: VT-x, VT-d (Atom x7-E3950) / not specified (Xeon E5345). The Atom x7-E3950 includes integrated graphics (HD Graphics 505), while the Xeon E5345 requires a dedicated GPU.
| Feature | Atom x7-E3950 | Xeon E5345 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 505 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
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